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Found 150 results
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C
Twedt, K. A., A. Angal, H. Chen, and X. Xiong, "Comparison of MODIS solar diffuser stability monitor calibration results for different operational configurations", Proc. SPIE 11127, Earth Observing Systems XXIV, vol. 11127, pp. 1112728, 2019.
Xiong, X., J. Sun, N. Che, T. Choi, and A. Angal, "Comparison of Terra and Aqua MODIS VIS Bands On-orbit Response", Proc. IEEE International Geoscience and Remote Sensing Symposium, vol. 4, pp. IV-1348-1351, 2008.
Angal, A., N. Mishra, X. Xiong, and D. L. Helder, "Cross-calibration of Landsat 5 TM and Landsat 8 OLI with Aqua MODIS using PICS ", Proc. SPIE 9218, Earth Observing Systems XIX, 92180K, 2014.
Angal, A., X. Xiong, and A. Shrestha, "Cross-Calibration of MODIS Reflective Solar Bands With Sentinel 2A/2B MSI Instruments", IEEE Transactions on Geoscience and Remote Sensing, vol. 58, issue 7, pp. 5000-5007, 2020.
Angal, A., X. Xiong, K. Thome, and B. Wenny, "Cross-Calibration of Terra and Aqua MODIS Using RadCalNet", IEEE Geoscience and Remote Sensing Letters, vol. 18, issue 2, pp. 188-192, 2021.
Angal, A., J. Brinkmann, S. A. Kumar, and X. Xiong, "Cross-calibration of the Oceansat-2 Ocean Colour Monitor (OCM) with Terra and Aqua MODIS", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
Angal, A., J. Brinkmann, N. Mishra, D. Link, X. Xiong, and D. L. Helder, "Cross-calibration of the reflective solar bands of Terra MODIS and Landsat 7 Enhanced Thematic Mapper plus over PICS using different approaches ", Proc. SPIE 9639, Sensors, Systems, and Next-Generation Satellites XIX, 963911, 2015.
Chander, G., A. Angal, T. Choi, D. Meyer, X. Xiong, and P. M. Teillet, "Cross-calibration of the Terra MODIS, Landsat-7 ETM+ and EO-1 ALI sensors using near simultaneous surface observation over Railroad Valley Playa, Nevada, test site, Earth Observing Systems XII", Proc. SPIE, vol. 6677, no. 66770Y, 2007.
D
Wu, A., X. Xiong, and A. Angal, "Derive a MODIS-Based Calibration for the AVHRR Reflective Solar Channels of the NOAA KLM Operational Satellites", IEEE Transactions on Geoscience and Remote Sensing, vol. 51, issue 3, pp. 1405-1413, 2013.
E
Twedt, K., A. Angal, and X. Xiong, "Effects of out-of-band and time-varying relative spectral response on the calibration of MODIS reflective solar bands", Journal of Applied Remote Sensing, issue 14 (2), pp. 024523, 2020.
Raut, B., M. Kaewmanee, A. Angal, X. Xiong, and D. Helder, "Empirical Absolute Calibration Model for Multiple Pseudo-Invariant Calibration Sites", Remote Sensing, vol. 11, issue 9, pp. 1105, 2019.
Wu, A., X. Xiong, A. Angal, and W. Barnes, "Evaluation of Detector-to-Detector and Mirror Side Differences for Terra MODIS Reflective Solar Bands Using Simultaneous MISR Observations", Int. J. Remote Sens., vol. 32, issue 2, pp. 299-312, 2011.
Shrestha, A., A. Angal, and X..Xiong, "Evaluation of MODIS and Sentinel-3 SLSTR thermal emissive bands calibration consistency using Dome C", Proc. SPIE - Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, vol. 10644, pp. 106441U, 2018.
Mu, Q., A. Angal, X. Geng, A. Wu, and X. Xiong, "Evaluation of the on-orbit response versus scan-angle (RVS) performance for the MODIS reflective solar bands using multiple ground targets", Proc. SPIE - Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XXIV, vol. 10644, pp. 106441X, 2018.
G
Xiong, X., A. Angal, J. Butler, C. Cao, D. R. Doelling, A. Wu, and X. Wu, "Global Space-based Inter-Calibration System Reflective Solar Calibration Reference: From Aqua MODIS to S-NPP VIIRS", Proc. of SPIE Earth Observing Missions and Sensors: Development, Implementation, and Characterization IV, vol. 9881, 2016.
I
Wald, A., R. Levy, A. Angal, X. Geng, X. Xiong, and K. Hoffman, "Impact of MODIS SWIR band calibration improvements on Level-3 atmospheric products", Proc. SPIE 9827, Ocean Sensing and Monitoring VIII, 2016.
Angal, A., X. Xiong, T. Choi, G. Chander, N. Mishra, and D. L. Helder, "Impact of Terra MODIS Collection 6 on long-term trending comparisons with Landsat 7 ETM+ reflective solar bands", Remote Sensing Letters, vol. 4, issue 9, pp. 873-881, 2013.
Li, Y., A. Angal, N. Chen, X. Geng, D. Link, Z. Wang, A. Wu, and X. Xiong, "Improvement in the characterization of MODIS subframe difference", Proc. SPIE 9972, Earth Observing Systems XXI, 99720W, 2016.
Angal, A., X. Xiong, A. Wu, X. Geng, and H. Chen, "Improvements in the On-Orbit Response Versus Scan Angle Characterization of the Aqua MODIS Reflective Solar Bands", IEEE Transactions on Geoscience and Remote Sensing, vol. 56, issue 3, pp. 1728-1738, 2018.
Geng, X., A. Angal, Y. Li, K. Twedt, and X. Xiong, "Improvements in the on-orbit response versus scan-angle characterization for the MODIS ocean color bands", Proc. SPIE 11151, Sensors, Systems, andNext-Generation Satellites XXIII, no. 115124, 2019.
Xiong, X., A. Angal, Y. Li, and K. Twedt, "Improvements of on-orbit characterization of Terra MODIS short-wave infrared spectral bands out-of-band responses", Journal of Applied Remote Sensing, vol. 14, issue 4, pp. 047503, 2020.
Xiong, X., J. Butler, N. Lei, J. Sun, J. Fulbright, Z. Wang, J. Mcintire, and A. Angal, "Improvements of VIIRS and MODIS solar diffuser and lunar calibration", Proc. SPIE 8866, Earth Observing Systems XVIII, 88661M, 2013.
L
Sun, J., A. Angal, H. Chen, X. Geng, T. Choi, M. Chu, and X. Xiong, "Long-term Calibration Performance of MODIS Reflective Solar Bands", Proceedings of CALCON, 2012.
Wilson, T., A. Angal, A. Shrestha, and X. Xiong, "Lunar calibration improvements for the short-wave infrared bands in Aqua and Terra MODIS", Proceedings Volume 10423, Sensors, Systems, and Next-Generation Satellites XXI; 1042313, 2017.
M
Xiong, X., M. D. King, V. Salomonson, W. Barnes, B. N. Wenny, A. Angal, A. Wu, S. Madhavan, and D. Link, "Moderate Resolution Imaging Spectroradiometer on Terra and Aqua Missions", John Wiley & Sons, Ltd, vol. 9781118945179, pp. 53-89, 2015.
Xiong, X., A. Angal, T. Chang, K. Chiang, N. Lei, Y. Li, J. Sun, K. Twedt, and A. Wu, "MODIS and VIIRS Calibration and Characterization in Support of Producing Long-Term High-Quality Data Products", Remote Sensing, vol. 12, issue 19, pp. 3167, 2020.
Xiong, X., Z. Wang, J. Sun, A. Angal, J. Fulbright, and J. Butler, "MODIS and VIIRS lunar observations and applications ", Proc. SPIE 8889, Sensors, Systems, and Next-Generation Satellites XVII, 88890V , 2013.
Wenny, B., J. Sun, X. Xiong, A. Wu, H. Chen, A. Angal, T. Choi, N. Che, S. Madhavan, X. Geng, et al., "MODIS Calibration Algorithm Improvements Developed for Collection 6 Level-1B", Proceedings of SPIE – Poster Session, vol. 7807, no. 78071F, 2010.
Mu, Q., A. Angal, K. Twedt, A. Wu, and X. Xiong, "MODIS detector differences using deep convective clouds and desert targets", Proc. of SPIE - Sensors, Systems, and Next-Generation Satellites XXIV, vol. 11530, pp. 115301A, 2020.
Xiong, X., A. Angal, S. Madhavan, D. Link, X..Geng, B. N. Wenny, A. Wu, H. Chen, and V. Salomonson, "MODIS instrument operation and calibration improvements ", IEEE Transactions on Geoscience and Remote Sensing, pp. 1385 - 1388, 2014.
Xiong, X., B. Guenther, A. Angal, W. Barnes, V. Salomonson, J. Sun, and B. Wenny, "MODIS radiometric calibration program, methods and results", Proceedings of IGARSS, pp. 6924-6927, 2012.
Sun, J., X. Xiong, A. Angal, and T. Wilson, "MODIS reflective solar bands lunar calibration update and improvements", Proc. of SPIE - Sensors, Systems, and Next-Generation Satellites XXIV, vol. 11530, pp. 115301C, 2020.
Xiong, X., A. Angal, K. A. Twedt, H. Chen, D. Link, X. Geng, E. Aldoretta, and Q. Mu, "MODIS Reflective Solar Bands On-Orbit Calibration and Performance", IEEE Transactions on Geoscience and Remote Sensing, vol. 57, issue 9, pp. 6355-6371, 2019.
Aldoretta, E., A. Angal, K. Twedt, H. Chen, Y. Li, D. Link, Q. Mu, K. Vermeesch, and X. Xiong, " The MODIS RSB calibration and look-up table delivery process for collection 6 and 6.1", Proc. SPIE - Earth Observing Systems XXV, vol. 11501, pp. 115011Q, 2020.
Sun, J., A. Angal, X. Xiong, H. Chen, X. Geng, A. Wu, T. Choi, and M. Chu, "MODIS RSB calibration improvements in Collection 6", Proc. SPIE 8528, Earth Observing Missions and Sensors: Development, Implementation and Characterization II, 85280N, 2012.
Xiong, X., J. Sun, H. Chen, Z. Wang, and A. Angal, "MODIS SDSM Sun View Response Simulation and Characterization", SPIE 2013 (Presentation only), 2013.
Twedt, K. A., A. Angal, X. Xiong, X. Geng, and H. Chen, "MODIS solar diffuser degradation at short-wave infrared band wavelengths", Proc. SPIE Earth Observing Systems XXII, vol. 10402, no. 104022K, 2017.
Chen, H., X. Xiong, A. Angal, Z. Wang, and A. Wu, "MODIS solar diffuser on-orbit degradation characterization using improved SDSM screen modeling ", Proc. SPIE 10000, Sensors, Systems, and Next-Generation Satellites XX, 100000X, 2016.
Xiong, X., A. Angal, H. Chen, T. Choi, and J. Sun, MODIS Solar Diffuser On-orbit Performance, 2008.
Wu, A., X. Xiong, C. Cao, and A. Angal, "Monitoring MODIS Calibration Stability of Visible and Near-IR bands From Observed Top-of-Atmosphere BRDF-normalized Reflectances Over Libyan Desert and Antarctic Surfaces, Earth Observing Systems XIII", Proc. SPIE, vol. 7081, no. 708113, 2008.